Fig. 2: Fe2O3, SnO2, Fe2O3/C (3:1), and Fe2O3/C@SnO2 (3:1:4) microparticles structure and morphology. | Nature Communications

Fig. 2: Fe2O3, SnO2, Fe2O3/C (3:1), and Fe2O3/C@SnO2 (3:1:4) microparticles structure and morphology.

From: Sea urchin-like microstructure pressure sensors with an ultra-broad range and high sensitivity

Fig. 2: Fe2O3, SnO2, Fe2O3/C (3:1), and Fe2O3/C@SnO2 (3:1:4) microparticles structure and morphology.

a The XRD patterns of acetylene carbon black, Fe2O3, SnO2, Fe2O3/C (3:1) and Fe2O3/C@SnO2 (3:1:4). SEM images of b Fe2O3, c Fe2O3/C (3:1), and d Fe2O3/C@SnO2 (3:1:4), TEM images of e Fe2O3, f Fe2O3/C (3:1), and g Fe2O3/C@SnO2 (3:1:4), elemental mapping of h Fe2O3/C (3:1), and i Fe2O3/C@SnO2(3:1:4).

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